1. Physical changes in the 9th month of pregnancy. The 9th month of pregnancy is the last stage of a pregnant woman. At this time, the fetus is fully developed and ready to be born. During this period, a pregnant woman\’s body will also undergo many changes. , will gradually become larger and press on the bladder and intestines, causing frequent urination and constipation; the skin on the abdomen will become tense and itchy; the breasts will also become